MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b1a9ae7d0b9b6bc29c39d91d9499a87e50ee166dca40b0070c32d2d8cf952609. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
Mirai
Vendor detections: 7
| SHA256 hash: | b1a9ae7d0b9b6bc29c39d91d9499a87e50ee166dca40b0070c32d2d8cf952609 |
|---|---|
| SHA3-384 hash: | 827a5c0f0b57405aae9964d10fd8f70383cc6d8f1212bac13f5e61d45f5bc66f43a0b178a833fef23320f70d0ec15031 |
| SHA1 hash: | 16e881bf7121174ac1ab6629753bf05618728cc3 |
| MD5 hash: | 13c14e6c86e4d98d296cb68668d3d9d2 |
| humanhash: | west-robert-wisconsin-failed |
| File name: | b1a9ae7d0b9b6bc29c39d91d9499a87e50ee166dca40b0070c32d2d8cf952609.elf |
| Download: | download sample |
| Signature | Mirai |
| File size: | 273'088 bytes |
| First seen: | 2026-08-20 20:41:04 UTC |
| Last seen: | Never |
| File type: | elf |
| MIME type: | application/x-executable |
| ssdeep | 6144:13htnpS1sNu3DRPeH00ABkPcaGzolGHcJ2AGCFwEssMOgh5o7KTlL/KoU8+bfLk9:j9pS1sSDRPeH03BkPcaGzolGitcEssMj |
| TLSH | T11B443B56AA824A13C5C3173AFA9F41063322E65693DBB306FD1CABB43F8725E4E73541 |
| telfhash | t14c4131311f26a5235ea1c90888eda3aa101da313a640ff73df29c58c911a0dfe637d0f |
| Magika | elf |
| Reporter |  whack_sh |
| Tags: | elf exe mirai whack.sh |
Intelligence
File Origin
# of uploads :
1
# of downloads :
144
Origin country :
USVendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% subdirectories
Sets a written file as executable
Creating a file in the %temp% directory
Receives data from a server
Collects information on the OS
Collects information on the network activity
Kills processes
Removes directories from a temporary directory
Creates directories in a temporary directory
Creates directories in a subdirectory of a temporary directory
Creating a file
Collects information on the RAM
Launching a process
Deleting a recently created file
Runs as daemon
Sends data to a server
Removes directories from a subdirectory of a temporary directory
Connection attempt
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Deleting of the original file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
gcc mirai rust
Status:
terminated
Behavior Graph:
Verdict:
Suspicious
Score:
100%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-08-20 20:41:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
9/10
Tags:
discovery execution persistence privilege_escalation
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Creates/modifies Cron job
Enumerates running processes
Modifies init.d
Deletes itself
Contacts a large (570791) amount of remote hosts
Creates a large amount of network flows
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | ELF_Mirai |
|---|---|
| Author: | NDA0E |
| Description: | Detects multiple Mirai variants |
| Rule name: | ELF_Toriilike_persist |
|---|---|
| Author: | 4r4 |
| Description: | Detects Torii IoT Botnet (stealthier Mirai alternative) |
| Reference: | Identified via researched data |
| Rule name: | F01_s1ckrule |
|---|---|
| Author: | s1ckb017 |
| Rule name: | linux_generic_ipv6_catcher |
|---|---|
| Author: | @_lubiedo |
| Description: | ELF samples using IPv6 addresses |
| Rule name: | Linux_Generic_Threat_0ea505fa |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Rootkit_Generic_61229bdf |
|---|---|
| Author: | Elastic Security |
| Rule name: | setsockopt |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | Hunts for setsockopt() red flags |
| Rule name: | SUSP_LNX_Linux_Malware_Indicators_Aug20_1 |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects indicators often found in linux malware samples. Note: This detection is based on common characteristics typically associated with the mentioned threats, must be considered a clue and does not conclusively prove maliciousness. |
| Reference: | Internal Research |
| Rule name: | SUSP_LNX_Linux_Malware_Indicators_Aug20_1_RID3621 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects indicators often found in linux malware samples |
| Reference: | Internal Research |
| Rule name: | TH_Generic_MassHunt_Linux_Malware_2026_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Generic Linux malware mass-hunt rule - 2026 |
| Reference: | https://cyfare.net/ |
| Rule name: | unixredflags3 |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | Hunts for UNIX red flags |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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